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Ok so the board is just for parts now?

I think that I have destroyed the entire motherboard .. removed u 7201 again last night and now I have many a points on u7201 giving me O L. nothing get hot and nothing starts up now. possible has a possibility I can not even fathom U7201.. mabye i heat the U7201 to mutch?

Ok all fine with the u7201 and i have replaced the Q7260. Now when i put the magsafe in the C7755 get very hot and i get 0.001 in diode mode so maybe this is brooken too? Ore maby the problem is u1400??

in diode mode i get 1,696 on P3V3S5_DRVH. thats mean i have a short on it? then i mabye something went wrong when replacing the u7201?

Ok have now replaced the u7201 hopefully it's ok. But when I put the magsafe in it smoked from PPBUS_G3H and the shit is got burned ? Maby I was too fast to putt the magsafe in after alcohol cleaning?

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Have you tried pram reset? I had the same problem on a a1502 when I replaced keyboard on it

have dont tray it.. but think you found what you need on this page http://www.vipprogrammer.com/wl-64bit-iphone-5s-6-6plus-nand-test-fixture-ipad-air-mini-2-3-underlying-data-change-programmer-2075 Nand chip http://www.vipprogrammer.com/128g-64...rogrammer-3033

ok thank you :)

@larossmann is it this one you use? http://www.aliexpress.com/wholesale?spm=2114.01010208.1.5.aT65ra&initiative_id=RS_20160712074322&SearchText=goot+wick+desoldering​

Tray new keyboard?

Ok. I don't need 4K ? What bord have this ? 2838 other? http://www.aliexpress.com/store/product/free-shipping-100pcs-lot-TCM1210G-900-2P-T200-CHOKE-COMMON-MODE-90-OHM-SMD/735678_32697316063.html

could it being one off these http://www.digikey.cn/product-search/en/filters/common-mode-chokes/3408553?k=tcm1210&k=&pkeyword=tcm1210&pv1923=8&pv1924=60&FV=fff40034%2Cfff802a9&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25

Pram reset ? work for me..

is this a filter? What is FL stay for? How to find this one on aliexpress or eBay? i know i can buy a broken LB and pill it off, but i just want that pieces if not you can recommend a LB that have a lot off them on. Thank you

Feel me pretty stupid now.... it work with PRAM reset ?

Now i feel like lost in space... Im pretty new in motherboard.. How to check that CPUIMVP_TON have cpu vcore?

Turning up the volume before starting the mac :P

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Have a macbook air (820-3024) white no happy apple startup sound. Where should i start troubleshooting? ASD passed without any errors